source/rpc_client/ntclienttrust.c

   1 /*
   2    Unix SMB/Netbios implementation.
   3    Version 1.9.
   4    NT Domain Authentication SMB / MSRPC client
   5    Copyright (C) Andrew Tridgell 1994-1997
   6    Copyright (C) Luke Kenneth Casson Leighton 1996-1997
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21 */
  22
  23 #include "includes.h"
  24 #include "nterr.h"
  25
  26 extern int DEBUGLEVEL;
  27
  28 /************************************************************************
  29  check workstation trust account status
  30  ************************************************************************/
  31 BOOL trust_account_check(struct in_addr dest_ip, char *dest_host,
  32                                 char *hostname, char *domain, fstring mach_acct,
  33                                 fstring new_mach_pwd)
  34 {
  35         pstring tmp;
  36         fstring mach_pwd;
  37         struct cli_state cli_trust;
  38         uchar lm_owf_mach_pwd[16];
  39         uchar nt_owf_mach_pwd[16];
  40         uchar lm_sess_pwd[24];
  41         uchar nt_sess_pwd[24];
  42
  43         BOOL right_error_code = False;
  44         uint8 err_cls;
  45         uint32 err_num;
  46
  47         char *start_mach_pwd;
  48         char *change_mach_pwd;
  49
  50         /* initial machine password */
  51         fstrcpy(mach_pwd, hostname);
  52         strlower(mach_pwd);
  53
  54         slprintf(tmp, sizeof(tmp) - 1,"Enter Workstation Trust Account password for [%s].\nDefault is [%s].\nPassword:",
  55                                 mach_acct, mach_pwd);
  56
  57         start_mach_pwd = (char*)getpass(tmp);
  58
  59         if (start_mach_pwd[0] != 0)
  60         {
  61                 fstrcpy(mach_pwd, start_mach_pwd);
  62         }
  63
  64         slprintf(tmp, sizeof(tmp)-1, "Enter new Workstation Trust Account password for [%s]\nPress Return to leave at old value.\nNew Password:",
  65                                 mach_acct);
  66
  67         change_mach_pwd = (char*)getpass(tmp);
  68
  69         if (change_mach_pwd[0] != 0)
  70         {
  71                 fstrcpy(new_mach_pwd, change_mach_pwd);
  72         }
  73         else
  74         {
  75                 DEBUG(1,("trust_account_check: password change not requested\n"));
  76                 change_mach_pwd[0] = 0;
  77         }
  78
  79         DEBUG(1,("initialise cli_trust connection\n"));
  80
  81         if (!cli_initialise(&cli_trust))
  82         {
  83                 DEBUG(1,("cli_initialise failed for cli_trust\n"));
  84                 return False;
  85         }
  86
  87         DEBUG(1,("server connect for cli_trust\n"));
  88
  89         if (!server_connect_init(&cli_trust, hostname, dest_ip, dest_host))
  90         {
  91                 cli_error(&cli_trust, &err_cls, &err_num);
  92                 DEBUG(1,("server_connect_init failed (%s)\n", cli_errstr(&cli_trust)));
  93
  94                 cli_shutdown(&cli_trust);
  95                 return False;
  96         }
  97
  98         DEBUG(1,("server connect cli_trust succeeded\n"));
  99
 100         nt_lm_owf_gen(mach_pwd, nt_owf_mach_pwd, lm_owf_mach_pwd);
 101
 102         DEBUG(5,("generating nt owf from initial machine pwd: %s\n", mach_pwd));
 103
 104 #ifdef DEBUG_PASSWORD
 105         DEBUG(100,("client cryptkey: "));
 106         dump_data(100, cli_trust.cryptkey, sizeof(cli_trust.cryptkey));
 107 #endif
 108
 109         SMBencrypt(nt_owf_mach_pwd, cli_trust.cryptkey, nt_sess_pwd);
 110
 111 #ifdef DEBUG_PASSWORD
 112         DEBUG(100,("nt_owf_mach_pwd: "));
 113         dump_data(100, nt_owf_mach_pwd, sizeof(lm_owf_mach_pwd));
 114         DEBUG(100,("nt_sess_pwd: "));
 115         dump_data(100, nt_sess_pwd, sizeof(nt_sess_pwd));
 116 #endif
 117
 118         SMBencrypt(lm_owf_mach_pwd, cli_trust.cryptkey, lm_sess_pwd);
 119
 120 #ifdef DEBUG_PASSWORD
 121         DEBUG(100,("lm_owf_mach_pwd: "));
 122         dump_data(100, lm_owf_mach_pwd, sizeof(lm_owf_mach_pwd));
 123         DEBUG(100,("lm_sess_pwd: "));
 124         dump_data(100, lm_sess_pwd, sizeof(lm_sess_pwd));
 125 #endif
 126
 127         right_error_code = False;
 128
 129         if (cli_session_setup(&cli_trust, mach_acct,
 130                         nt_owf_mach_pwd, sizeof(nt_owf_mach_pwd),
 131                         nt_owf_mach_pwd, sizeof(nt_owf_mach_pwd), domain))
 132         {
 133                 DEBUG(0,("cli_session_setup: NO ERROR! AAAGH! BUG IN SERVER DETECTED!!!\n"));
 134                 cli_shutdown(&cli_trust);
 135
 136                 return False;
 137         }
 138
 139         cli_error(&cli_trust, &err_cls, &err_num);
 140
 141         if (err_num == (0xC0000000 | NT_STATUS_NOLOGON_WORKSTATION_TRUST_ACCOUNT))
 142         {
 143                 DEBUG(1,("cli_send_tconX: valid workstation trust account exists\n"));
 144                 right_error_code = True;
 145         }
 146
 147         if (err_num == (0xC0000000 | NT_STATUS_NO_SUCH_USER))
 148         {
 149                 DEBUG(1,("cli_send_tconX: workstation trust account does not exist\n"));
 150                 right_error_code = False;
 151         }
 152
 153         if (!right_error_code)
 154         {
 155                 DEBUG(1,("server_validate failed (%s)\n", cli_errstr(&cli_trust)));
 156         }
 157
 158         cli_shutdown(&cli_trust);
 159         return right_error_code;
 160 }